Question

Prove that the square of any given odd number gives a remainder of 1 when divided by 4

score 7.6k · Answer 1 · 2017-06-04 17:07:45

7.6k

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Prove that the square of any given odd number gives a remainder of 1 when divided by 4

Published on 04 Jun 2017 - 17:07

score 641 · Answer 2 · 2026-03-29 09:11:38

641

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Can the sum of the first n squares of primes be a perfect square?

Published on 29 Mar 2026 - 9:11

score 111 · Answer 3 · 2017-06-08 10:38:03

111

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Do whole number solutions exist for $3x^2 = y^2$?

Published on 08 Jun 2017 - 10:38

score 1.5k · Answer 4 · 2017-06-08 15:04:16

1.5k

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Finding square numbers in arithmetic progression

Published on 08 Jun 2017 - 15:04

score 54 · Answer 5 · 2017-06-12 15:29:16

54

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How to divide a number by $i$

Published on 12 Jun 2017 - 15:29

score 274 · Answer 6 · 2017-06-24 04:53:15

274

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Can there be a possible solution for this?

Published on 24 Jun 2017 - 4:53

score 3.9k · Answer 7 · 2017-06-24 13:29:12

3.9k

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I noticed a relation between the cosines of $0^\circ$, $30^\circ$, $45^\circ$, $60^\circ$, $90^\circ$ and the square roots of $4, 3, 2, 1, 0$

Published on 24 Jun 2017 - 13:29

score 271 · Answer 8 · 2017-06-24 16:13:56

271

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Proof that the product of 7 successive positive integers is not a square.

Published on 24 Jun 2017 - 16:13

score 213 · Answer 9 · 2017-07-08 21:54:49

213

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What are the perfect squares for $a^2 + b^2$?

Published on 08 Jul 2017 - 21:54

score 150 · Answer 10 · 2017-07-13 18:25:53

150

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on sums of squares being squares

Published on 13 Jul 2017 - 18:25

score 666 · Answer 11 · 2017-07-17 12:49:44

666

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Perfect squares in a XOR-Sum of perfect squares

Published on 17 Jul 2017 - 12:49

score 696 · Answer 12 · 2017-07-17 15:17:09

696

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Product of $10$ consecutive integers can never be a perfect square

Published on 17 Jul 2017 - 15:17

score 1.1k · Answer 13 · 2017-07-19 20:12:30

1.1k

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Generate 3d Vectors with Integer Norms

Published on 19 Jul 2017 - 20:12

score 79 · Answer 14 · 2017-08-03 09:02:25

79

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Infinite square root muliplication $(x=3\sqrt{y\sqrt{3\sqrt{y}....}})$

Published on 03 Aug 2017 - 9:02

score 250 · Answer 15 · 2017-08-10 17:29:01

250

Views

Why does the difference between squares of the $i^{th}$ even and odd integers increase by 4?

Published on 10 Aug 2017 - 17:29

List Question

Prove that the square of any given odd number gives a remainder of 1 when divided by 4

Can the sum of the first n squares of primes be a perfect square?

Do whole number solutions exist for $3x^2 = y^2$?

Finding square numbers in arithmetic progression

How to divide a number by $i$

Can there be a possible solution for this?

I noticed a relation between the cosines of $0^\circ$, $30^\circ$, $45^\circ$, $60^\circ$, $90^\circ$ and the square roots of $4, 3, 2, 1, 0$

Proof that the product of 7 successive positive integers is not a square.

What are the perfect squares for $a^2 + b^2$?

on sums of squares being squares

Perfect squares in a XOR-Sum of perfect squares

Product of $10$ consecutive integers can never be a perfect square

Generate 3d Vectors with Integer Norms

Infinite square root muliplication $(x=3\sqrt{y\sqrt{3\sqrt{y}....}})$

Why does the difference between squares of the $i^{th}$ even and odd integers increase by 4?

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